It also studies the necessity of residential water-saving and water-saving performance of sanitary ware based on the whole life-cycle cost, and puts forward some suggestion for improvement.

从全寿命周期费用研究住宅节水的必要性及洁具的节水性能，并提出了改进建议。

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The LearnSmart Advantage suite enables institutions to adopt adaptive learning as an institution-wide practice, creating a cycle of student performance improvement across disciplines and classes.

ENGADGET: McGraw-Hill reveals the SmartBook: an 'adaptive' e-book for students